title: Ultrasonographic measures of subacromial space in patients with rotator cuff disease: A systematic review.
abstract: OBJECTIVE
  Recently sonography (US) has been used to measure the subacromial space outlet with a linear measurement of the acromiohumeral distance (AHD). The purpose of this article is to systematically review the literature on the influence of rotator cuff disease (RCD) on AHD using US.
  
  
  METHODS
  Computer-aided searches of databases were performed to identify comparative studies that measured US-generated AHD in adults with symptomatic RCD.
  
  
  RESULTS
  Five studies met the inclusion/exclusion criteria.
  
  
  CONCLUSIONS
  US images of AHD are smaller in patients with full-thickness tears than healthy individuals and subjects with subacromial impingement. AHD is potentially useful to prognosticate outcome in patients with subacromial impingement.
authors.affiliation: Department of Physical Therapy, Virginia Commonwealth University-Medical College of Virginia Campus, West Hospital, 1200 East Broad Street, Room 100, P.O. Box 980224, Richmond, VA 23298, USA. amee.seitz@gmail.com
authors.forename: Amee L
authors.initials: AL
authors.lastname: Seitz
authors.forename: Lori A
authors.initials: LA
authors.lastname: Michener
mesh_terms: D000174:Acromion / Q000000981:diagnostic imaging*; D006801:Humans; D006811:Humerus / Q000000981:diagnostic imaging*; D017006:Rotator Cuff / Q000000981:diagnostic imaging* / Q000473:pathology; D019534:Shoulder Impingement Syndrome / Q000000981:diagnostic imaging* / Q000473:pathology; D014463:Ultrasonography